Apparatus for forming and vulcanizing rubberized fabric and rubber tires.



A FEAR AT 'eff-Kazuo Ami RUBBER Tmzs.Y

Patented Dec. 8, 19ML H tacco@ @Uva A. BEES. ATUS FOR Hmmm; um Vinex-.mmm RUBBERIZEU YABBIG AND RULBER MBBS.

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'ehem mstructon tiva p re mmh ssure pro- :d posi is applied to the tire body; Fig. 11 is a detail ot' e part of an expunsible core after expansion; Fie. 1.2 is e plan View' of ii eel hipsible, expensible core, assembled and oevered with a tire body, parts being broken :muy for purposes of illustration; Fig. 13 is u transverse section through u easing or mold containing a preferred forni of tire and u coro for suine; the dotted lines indicating the 'position of the core before pressure is spplied und the full `lines indien tin its position after pressure applied; un Fig. 'll :i transverse section of :i tire applied to :i rini according to my present inrention, the dotted lines indicating the positioo of the tire body before inl'liition and the lull lines indicating the position of the tire body ritter inllutiozr 45 is the cylinder of :i hydreulie press or rein, rontzriniug a plunger 2l having n largo llut-topped heini into which is countersunl: in auxiliary cylinder 23, the cylinder being open :it its upper end, closed by a bottom 2l ut its lower end, und containing a piston 'heed :25 provided with suitable pecking Q :intl fi eoiuitvrsunl( upper fuoe 27. und ure respectively liirqer und smaller pipes establishing comuninleiition between chamber 3U oi the cylinder 20 at one end und inlet and outlet vulve eusings 31 und 32 respeetirelj.' nfl the other end, bothvulve easinjzs leifhug tirthe chamber 33 in the cylinder 23. 'The valves 3l und are bolli spring ye urteil1 She spring lll of the former lil-ing heurios' thun the spring 37 of the let- Lor, so that the 'vulve ll opens in response to :i heur." inufurd pressure toward the cylinder flunuber 33 and tl'e vulve 35 opens will .rz rer light outward pressure from the vlniler fr @nih/.er 33. ln this construction, the pipo; ure titled tight to the lower end of the plunger zfl. fitted tight to 'the 'ferire casings, und packed whore they pass through the intermediate partition 38, the connections between the valve ensings, and the bottom 2l of the cylinder 23 being pref ereblr made tight;y although this not es sentiiil. it is desiralile @that the ,ity fill nl' the lunger 21 be kept tree 710111 fluid oi pressure lor reasons of 'ivory in op ernting the ulipz'iritus. LlO is 1 i Huid inlet to the ehfiuiber Ill). ,ln the ou i'zsion of this part of the apparatus a preliminary pres? sure (ot for instance 100 pounds) will raise the plunger 2l, and a heavier pressure will open faire 34, und raise piston head25. I A reduerion of pressure will close valve 34, idler.' `vulve to open and allow piston him. to descend, and av further reduction of ysessure will allowthe plunger 21 to d sid. v

i is the bottom, 42 the side :md 43 the r of r, vuleenizer pot having :t vulcani; i lmniber Aint-losing the plunger head 22 im Aif-e two oiirty tire molds 44 during the 3 0f ,ilvjked Spring metal, obriiiting operating of the apparatus. The cover is secured against upward mmevuent with speer to the easing or remainder ot' the vulvv ennizing chamber by the buyonet joints lo, a slirlit rotary movement of the xover lo, with respect to the rest. of the vulelinixing chamber being sullfeient to lool; or unlock the joint in the usuel marmer. v

.i6 is un eye by which power raising devices may be :ittuehed to the cover for the purpose of Convenient handling of it.

47 are the usual lugs assist in oon- `fenient handling of the .iolds 4l,

ln Fig. .10 l here sliorfu :i modification. in which the Cylinder v4 8 is mounted upon instead of within the plunger head "29, being secured thereto by fuiteiiings lll, u, i'. er 50 being laidy'on the plunger lit-:itl 'jij to eoinpensute for thc (.liii'erenee in elevutioii of the piston houd E25, l"ominiurination between the chamber il() und the oliinnber 33 in this inorliieetion iii established by ineens of holes 50 and 51 in the plunger head 2;), vulve easings 52 :1n-f. 53 titled tothe plunger head 2Q bout the holes SO and 511., und pipes 28 'and 29 coupled to the vulve ezislngs 52 und 53 respectively. the lower ends oi" the pipes being secured' lo the lire/r3 end ot the plunge.u by packed nuts Lliis modilied form is especially ii'itended for instunees *where it is desired to 'use :in old loim el press without melting extensive changes.

The tire molds :ire pinned one eboi'e the other on the plunger heed 22 and the upwird movement ot the plunger clumps the irwlils in fixed relation to the Juleunizug chamber.

('finresponding with each mold ll und situated one above the other upon the unintersurli upper talee 27 of the ilusion heed or@ eenering riser blocks the prt-vise .slime of euch block espeeiallj` as to its heir'ht and pri'iiportious depending on the sir/n and design of the tire mold and tire to irliirh it Cor'efgponds. In efnnmon the blocks have a solid lower part 56, and up Warflly projecting approximately none shaped upper central. part 57` and radiating pairs of guido iiiuges 58g preferably four pairs, euch. pair of guide flanges o8 guard ing a slot 5t? having su ineliiwl roer ferne (SO 11nd inclined. bottom fece 6l. und intern-iodiete niche 62. in which nehe the inner end ot' a spring arm 63 having u, ing' (il :it its outer end may loosely rest. lt is obvious that theraising ot' the piston heed* will eauseja corresponding raising of the blocks 55, ''lisultingnn the (uitwuril rudial more meut of the arms 68. The firms 63 may be the springs 64, sprinvs.

Referring more particularly to Figs. 7, 8, 11 and 12, 65 is a'laminateil tire strurture laid up or built on :i coro or forming menthe use of I or they may be used without if U ilb

ong and, short Sectf,

ir-el amnpmsing long :H'mtely tvlang".

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52m;- two part m021! in n in 1t is also obvmus 25mn?. tha trlund lnngs of Upa 86. The postou of the waning u :www

he u 131.".

is than laid up 011 the mandrel in :any in 130 the mold is carried, and an auxiliary cylinder, a. piston in the aiixiliary cylinder, pipes mounted in the plunger,' having inlet and outlet valves end forming communication between the denendiinT cylinder benewth the i n plunger and the auxiliary cylinder of the plunger and mechanical expanding means connecting the sectional core with the piston. Y i

8. The combination of a. vulcanizer pot, la mold confined Within the vulcanizer pot, a eontractible, expnsible an collapsible sectional core, a depending cylinderE a. fluid operated plunger. having si liead on which thoinold is carried and an auxiliaryY cylinder, a piston. in the auxiliary cylinder, differentiul pipes mounted in the plunger heving differential inlet and outletfvzilves and forming comn'innic-ation between the depending cylinder bei'ieatb'the plunger and the auxiliary eylindenof the plunger and mechanical means'conneeting the sectional core With-the piston.

An apparatus for forming and vulcaniz-ing rubberized fabric and rubber Atires cemprising a vulcanizer pot., a niold'contine-,eil within the vulcanizer pot, a contractl exfmnsilile and collapsible sectional seing triangular sections, mold snpniezlns heving a 'piston means for opereting the piston, e centering riserblock seated on the piston, formed with redisA guide tlanges providing slots end; radial erns having their inner ends located in the slots and their enter ends connected with the triangular sections of: the sectional core'.

l0. An anpriratus for forming-and .vul-J' eanizing rubberized fabric' and rubber tires eoinnrislng e vnlcnnizer pot7 e moldronffined Within the vulcanizer not L -1 I. v i

tructible, expansible and college leisentioruil having trmiiglilar" ec'tii mold supporting ineens 'having' a pis ton, means *for ope-rating tl` instan,

centering riser block seated on the'i'pistori; formed with radial guide lie-nger; providing slot'heving an inclined rear fece, an inclined-bottom face and an intermediate niche, and radial arms having their inner ends located in the slots and'their outer ends connected with the triangular cations of the Ysectio'nal core li. eppuratus for forming and vulfi'i '/:inff rubberized fabric and rubber tires, comprising a vuleanizer pot, a mold conlined within the vulcanizer pot, a contractiblef epensible 'and collapsible 'sectional en: bei-*ing t gulzr see-ions, mold supporting means having a piston, Leens for operating the piston, a centering riser block sented on the piston, formed with radial guide flunges providing slots, and sprin reflial :mns having their inner ends locate in the slots and their outer ends connecte-d1 with the trianguln r sections ot' the sectienal core. v

l2. rihe combination of a vulcaniz-ing chamber, s mold, :1 contractible, expnnsible.

and collapsible sectionall core, a centering riser block Aformed with guide flaiigesproviding slots and radial arms havin their inner ends located in the vslots .an their 13. In apparatus for 'forming and vulvvouter Aends connected with alternate sectionsv of the core. 1

czinizing rubberized fabric sind rubber tires,

e vulefmizing chamber,

mold moving Y mez-:ns operable within Vseid chamber, af

mold containing :iA tire-. supported by said mold moving means, a fluid operated cylinder 'and piston carried by seid mold moving ineens, and an expansible core within the tire and operable by said cylinder and piston. v

leiA in apparatus for forming and vnlcenizing rubl er tires, a. vulcanizingrchambein n mold confined in saidcliambers ine ing e tire withiii which'is :in expansible mandrel, the expensionof Said inandrel being emit-rolled from the exterior of the Vulcenizing; clianfiber.v

An apparatus for forming Aand vuleani'zingl; )instie articles, eornprisim;r a vulcmiicing chamber, a mold adapted to rceeive a .rtinlly formed' article built up on e eont'reetible, expansible :1nd collapsible core'. and mechanical means for completing the forming of thel article by `expending' the.

cereontwardljy town-'rd the inner faces of the meld the article being vulcanized in line exf nderl position l lf3. An amrtratns for forming sind vul.

cenizing; rubber erticlcs, comprisingV n vuleenizirrer ehn'rnber, n4 lpress head within the chamber` a mold carriedfbyfthe presshead, and held against the cover of the chamber` vin expensihle core mandrel Within the mold It is hereby certified that in Letters Patent No. 1,120,453, granted December 8,

1914, upon the application of Mark A. Dees, of Lubbock, Texas, for an improvement En Apparatus for Forming and Vulca'nzingr Rubbcrized Fabric and Rubber Tires, an error appears in the printed specilication reqniring correction as follows: Page 5, line Si', for the word "chambers road c/nuribr; and that the Vsaid Letters Patent should be read with this correction therein that the same may conform to the record of thee-ase in the Patent Oiico.

Signed and scaled this 5th day of January, A. D., 19115.

[SEAL] R. l". WHITEHEAD,

Acz'ng Commissioner of Patents. 

